Signals, Aging Cars Probed in D.C. Metro Crash That Killed Nine

Federal investigators are examing the performance of signals and automatic operations equipment as well as railcar age and maintenance in the fatal June 22 crash of two Washington, D.C., Metrorail trains in Maryland. The accident killed one operator and eight passengers and injured 76.

Photo: AP/Wideworld

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Enhancing Collaboration and Surpassing Traditional Design-Build Methods with Progressive Design-Build

Earn: 1 PDH; 1 AIA LU/Elective; 0.1 IACET CEU

Progressive Design-Build is reshaping large infrastructure projects by addressing key issues with the traditional Design-Build approach. We'll explore how PDB fosters collaboration between owners, design-builders, and design teams to develop a well-defined scope and budget, plus minimizes cost overruns and reduces liability claims.